org.bouncycastle.math.ec
Class ECPoint.AbstractFp

java.lang.Object
  |
  +--org.bouncycastle.math.ec.ECPoint
        |
        +--org.bouncycastle.math.ec.ECPoint.AbstractFp

Direct Known Subclasses:

Curve25519Point, ECPoint.Fp, SecP128R1Point, SecP160K1Point, SecP160R1Point, SecP160R2Point, SecP192K1Point, SecP192R1Point, SecP224K1Point, SecP224R1Point, SecP256K1Point, SecP256R1Point, SecP384R1Point, SecP521R1Point, SM2P256V1Point

Enclosing class:

ECPoint

public abstract static class ECPoint.AbstractFp

extends ECPoint

Inner classes inherited from class org.bouncycastle.math.ec.ECPoint

ECPoint.AbstractF2m, ECPoint.AbstractFp, ECPoint.F2m, ECPoint.Fp

Fields inherited from class org.bouncycastle.math.ec.ECPoint

curve, EMPTY_ZS, preCompTable, x, y, zs

Constructor Summary

protected	ECPoint.AbstractFp(ECCurve curve, ECFieldElement x, ECFieldElement y)
protected	ECPoint.AbstractFp(ECCurve curve, ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)

Method Summary

protected boolean	getCompressionYTilde()
protected boolean	satisfiesCurveEquation()
ECPoint	subtract(ECPoint b)

Methods inherited from class org.bouncycastle.math.ec.ECPoint

add, checkNormalized, createScaledPoint, detach, encodeTo, equals, equals, getAffineXCoord, getAffineYCoord, getCurve, getCurveCoordinateSystem, getDetachedPoint, getEncoded, getEncodedLength, getInitialZCoords, getRawXCoord, getRawYCoord, getRawZCoords, getXCoord, getYCoord, getZCoord, getZCoords, hashCode, isInfinity, isNormalized, isValid, multiply, negate, normalize, satisfiesOrder, scaleX, scaleXNegateY, scaleY, scaleYNegateX, threeTimes, timesPow2, toString, twice, twicePlus

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ECPoint.AbstractFp

protected ECPoint.AbstractFp(ECCurve curve,
                             ECFieldElement x,
                             ECFieldElement y)

ECPoint.AbstractFp

protected ECPoint.AbstractFp(ECCurve curve,
                             ECFieldElement x,
                             ECFieldElement y,
                             ECFieldElement[] zs)

Method Detail

getCompressionYTilde

protected boolean getCompressionYTilde()

Overrides:

getCompressionYTilde in class ECPoint

satisfiesCurveEquation

protected boolean satisfiesCurveEquation()

Overrides:

satisfiesCurveEquation in class ECPoint

subtract

public ECPoint subtract(ECPoint b)

Overrides:

subtract in class ECPoint